查询词典 sedimentary rocks

In china, according to sedimentary environment and deposition features, the main continental sedimentation includes alluvial facies, fluvial facies, lacustrine facies and delta facies, which can be subdivided into 15 sedimentary subfacies and 32 sedimentary microfacies.

我国主要陆相沉积相有冲积扇相、河流相、湖泊相、三角洲相，依据沉积环境和沉积特征，进一步可划分为15个亚相和32个微相。

On basis of the analysis for cores and well-logging, the authors have thoroughly studied the sedimentary facies types and characters of Chang 6 oil-bearing formation of the Baibao region with casting thin sections, SEM, trace elements and porosity and permeability analysis and a great deal of indoor testing data. The authors propose that the sedimentary facies type of Chang 6 oil-bearing formation of the Baibao region is a sublacustrine slump turbidite fan for the first time, and lithology is lower componential and textural maturities micro-fine feldspar sandstone primarily, with graded bedding, fluidified convolute bedding, slipping-cut and deformational structures, minitype syngenetic faults, flute cast, groove cast, load cast and other turbidite sedimentary facies signatures.

作者在岩心描述和测井分析基础上，结合铸体薄片、扫描电镜、重矿物、微量元素和孔渗分析等大量测试资料，对该地区长6油层组沉积相类型及特征进行深入研究，首次提出白豹地区长6油层组属于湖底滑塌浊积扇沉积体系，岩性以成分和结构成熟度均偏低的微－细粒长石砂岩为主，具粒序层理、液化包卷层理、滑动截切和变形构造、小型同生断层、槽模、沟模和重荷模等浊积沉积相标志。

Results show that palaeo-water depths decreased from middle submember sedimentary period to lower submember sedimentary period and to upper submember sedimentary period in Dongying Sag.

东营凹陷的古水深由大到小依次为中亚段沉积时期、下亚段沉积时期和上亚段沉积时期。

The comprehensive study on the sedimentary features in the early Cretaceous of Tanan Depression showed that the different kind of fault slope belts resulted from syn-sedimentary tectonic movement in the paleo geomorphology controlled the formation and distribution of sedimentary system.

对早白垩世沉积充填特征的综合研究表明，长期活动的同沉积断裂形成的、古地貌上突变的各种断裂坡折带对盆内沉积体系的发育及分布起到重要的控制作用。

Results The damp fans, rivers and lakes are main sedimentary systems in Yanqi Basin. They are funned from T(subscript 2-3) to J2, including Xiaoquangou, Badaowan, Sangonghe, Xishanyao and Toutunhe age. The rivers and lakes sedimentary systems are good development. The rivers sedimentary systems are divided into braided stream and meandering stream.

结果 潮湿扇、河流和湖泊沉积体系是焉耆盆地的主要沉积体系类型，它们形成于中晚三叠世至中侏罗世的小泉沟、八道湾、三工河、西山窑和头屯河期；其中的河流沉积体系和湖泊沉积体系较为发育，河流沉积体系分为辫状河和曲流河两种类型。

According to the research of Pb isotopic, the metallogenetic material mainly originated from the Permian basalts; the study of sulfur isotopic find that the sulfur of the basalt-type copper deposits and carbonaceous sedimentary interlayers-type copper deposits originated from both Permian basalts and evaporate of sedimentary section, S in bauxitic mudstone-type copper deposits originated from evaporate of sedimentary layers.

研究区三种类型铜矿的铅同位素示踪研究，成矿物质主要来自于邻近的二叠纪玄武岩；硫同位素研究结果显示，玄武岩型铜矿和含碳沉积岩夹层型铜矿中的硫有两种来源：二叠纪玄武岩和蒸发岩中的硫；而铝土质泥岩铜矿中的硫主要来源于沉积地层中蒸发岩的硫。

After analyzing the difference of sedimentary elements, they sum up that sedimentary gravity flows are the couping result of provenance system, slop type and lake level fluctuation and that the evolution and dominant structural framework of the Liaodong lift control the sedimentary character and distribution characteristics of the gravity flows.

通过沉积要素比较分析，提出了上述重力流的发育是物源系统、坡折类型和湖平面变化耦合作用的结果，辽东凸起的形成演化及以其为主导的构造格局决定着重力流的发育特征及分布规律。

The sedimentary environment divided in to fluvial deposit and lacustrine deposit. The sedimentary evolution of each depositional circle usually began with alluvial channel to fluvial deposit, and evolved into lacustrine deposit which is mainly made up of shore-shallow lake sedimentary model with relatively stirring hydrodynamic condition.

其沉积环境主要可以分为河流沉积和湖泊沉积两种类型，每一个沉积旋回都是以洪积扇到河流相沉积开始，向湖泊相沉积演化，湖泊沉积阶段主要以湖水相时动荡的滨浅湖沉积为主。

The sedimentary environment divided into fluvial deposit and lacustrine deposit. The sedimentary evolution of each depositional circle usually began with alluvial channel to fluvial deposit, and evolved into lacustrine deposit which is mainly made up of shore-shallow lake sedimentary model with relatively stirring hydrodynamic condition.

其沉积环境主要可以分为河流沉积和湖泊沉积两种类型，每一个沉积旋回都是以洪积扇到河流相沉积开始，向湖泊相沉积演化，湖泊沉积阶段主要以湖水相对动荡的滨浅湖沉积为主。

Based on the detailed field survey and laboratory analysis, the authors studied lithology, sedimentary conformation and palaeontological characteristics of the sedimentary strata of Yixian Formation in northern Hebei and the sedimentary environment has been analyzed.

在野外剖面实测和室内分析的基础上，对冀北森吉图盆地义县组沉积地层的岩性、沉积构造和古生物特征等进行了详细的研究，并分析了其沉积环境。

If this is not specified, then it is defaulted to 25

如果这是没有指定，则默认为25

Cott invited his mother over for dinner.

COTT邀请母亲来他的房子晚餐。